题目内容
Genetically modified foods (GM foods), also known as genetically engineered foods (GE foods), or bioengineered foods, are foods produced from organisms that have had changes introduced into their DNA using the methods of __________________________.
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A genetically modified organism (GMO) is any organism whose genetic material has been altered using genetic engineering techniques (i.e., a genetically engineered organism).
Typically GMOs are organisms whose genetic makeup has been altered with the addition of genetic material from an unrelated organism.
Transfusion of blood products had previously led to unintentional infection of haemophiliacs with HIV or hepatitis C; similarly, treatment with human growth hormone derived from cadaver pituitary glands may have led to outbreaks of Creutzfeldt–Jakob disease.
GM bacteria have also been developed to leach copper from ore, clean up mercury pollution and detect arsenic in drinking water.
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